package com.llyb.lease.web.admin.service.impl;

import com.llyb.lease.common.minio.MinConfiguration;
import com.llyb.lease.common.minio.MinioProperty;
import com.llyb.lease.web.admin.service.FileService;
import io.minio.*;
import io.minio.errors.*;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.web.multipart.MultipartFile;

import java.io.IOException;
import java.security.InvalidKeyException;
import java.security.NoSuchAlgorithmException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.UUID;

@Service
public class FileServiceImpl implements FileService {

    @Autowired
    private MinioProperty minioProperty;

    @Autowired
    private MinioClient minioClient;

    @Override
    public String upload(MultipartFile file) throws ServerException, InsufficientDataException, ErrorResponseException, IOException, NoSuchAlgorithmException, InvalidKeyException, InvalidResponseException, XmlParserException, InternalException {

        boolean b = minioClient.bucketExists(BucketExistsArgs.builder().bucket(minioProperty.getBucketName()).build());
        if (!b) {
            minioClient.makeBucket(MakeBucketArgs.builder().bucket(minioProperty.getBucketName()).build());
            String config = """
                    {
                         "Statement" : [ {
                           "Action" : "s3:GetObject",
                           "Effect" : "Allow",
                           "Principal" : "*",
                           "Resource" : "arn:aws:s3:::%s/*"
                         } ],
                         "Version" : "2012-10-17"
                   }
                    """.formatted(minioProperty.getBucketName());
            minioClient.setBucketPolicy(SetBucketPolicyArgs.builder().bucket(minioProperty.getBucketName()).config(config).build());
        }

        String objectName = new SimpleDateFormat("yyyyMMdd").format(new Date()) + "/" + UUID.randomUUID().toString() + "_" + file.getOriginalFilename();
        minioClient.putObject(PutObjectArgs.builder()
                        .bucket(minioProperty.getBucketName())
                        .contentType(file.getContentType())
                        .object(objectName)
                        .stream(file.getInputStream(),file.getSize(),-1)
                .build());

        System.out.println(String.join("/",minioProperty.getEndPoint(),minioProperty.getBucketName(),objectName));
        return String.join("/",minioProperty.getEndPoint(),minioProperty.getBucketName(),objectName);
    }
}
